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Grayboe
The Grayboe Universal Mini Chassis for Tikka T3 Short Action is a precision bedding block that transforms how you shoot multiple rifles and calibers from a single stock. This billet aluminum chassis accepts your Tikka T3 short action rifle and bolts directly into Grayboe's Flagstaff Core or Renegade 2 stocks, letting you swap rifles and calibers without changing your primary shooting platform. It's a smart solution for shooters who want modularity without the complexity—or the cost of buying separate stocks for each rifle.
Built from T6 6061 billet aluminum and finished in Cerakote black, the chassis weighs just 14 ounces and is engineered for repeatable accuracy and reliability. The UMC secures to your stock via two provided screws, creating a rock-solid mechanical connection that seats and locks your rifle firmly in place. Magazine compatibility is straightforward: the chassis accepts standard AICS magazines, so your ammo and feeding stay consistent whether you're running short-action cartridges with standard short mags or longer rounds with 3.850-length AICS mags.
The optional adjustable magazine release lever gives you fine-tuned control over mag height, offering up to 0.080" of adjustment for dialing in perfect cartridge feeding—especially useful when load development or ammo transitions demand precision. If you're a serious shooter who works with multiple rifles, platforms, or calibers, the Universal Mini Chassis eliminates the need to juggle separate stocks and streamlines your setup from the range to the field.
| Brand | Grayboe |
| Product Type | Universal Mini Chassis (UMC) |
| Rifle Compatibility | Tikka T3 Short Action |
| Stock Compatibility | Flagstaff Core, Renegade 2 |
| Magazine Type | AICS (standard short and 3.850 length) |
| Material | T6 6061 Billet Aluminum |
| Finish | Cerakote Black |
| Weight | 14 ounces |
| Attachment Method | Two mounting screws (included) |
Yes. This chassis is specifically designed for Tikka T3 short action rifles and installs directly into compatible Grayboe stocks like the Flagstaff Core or Renegade 2.
The chassis accepts all standard AICS magazines. Use short AICS mags for short-action calibers and 3.850-length AICS mags for longer cartridges. No separate bottom metal is required—magazines click directly into the chassis.
This particular chassis is inlet and designed specifically for Tikka T3 short action rifles. If you own other rifle actions, Grayboe manufactures separate UMC models for different platforms, but you would need the appropriate chassis for each action type.
The chassis includes two mounting screws that secure it to your Grayboe stock. The optional adjustable magazine release lever is available separately.
Grayboe
The Grayboe Universal Mini Chassis for Tikka T3 Short Action is a precision bedding block that transforms how you shoot multiple rifles and calibers from a single stock. This billet aluminum chassis accepts your Tikka T3 short action rifle and bolts directly into Grayboe's Flagstaff Core or Renegade 2 stocks, letting you swap rifles and calibers without changing your primary shooting platform. It's a smart solution for shooters who want modularity without the complexity—or the cost of buying separate stocks for each rifle.
Built from T6 6061 billet aluminum and finished in Cerakote black, the chassis weighs just 14 ounces and is engineered for repeatable accuracy and reliability. The UMC secures to your stock via two provided screws, creating a rock-solid mechanical connection that seats and locks your rifle firmly in place. Magazine compatibility is straightforward: the chassis accepts standard AICS magazines, so your ammo and feeding stay consistent whether you're running short-action cartridges with standard short mags or longer rounds with 3.850-length AICS mags.
The optional adjustable magazine release lever gives you fine-tuned control over mag height, offering up to 0.080" of adjustment for dialing in perfect cartridge feeding—especially useful when load development or ammo transitions demand precision. If you're a serious shooter who works with multiple rifles, platforms, or calibers, the Universal Mini Chassis eliminates the need to juggle separate stocks and streamlines your setup from the range to the field.
| Brand | Grayboe |
| Product Type | Universal Mini Chassis (UMC) |
| Rifle Compatibility | Tikka T3 Short Action |
| Stock Compatibility | Flagstaff Core, Renegade 2 |
| Magazine Type | AICS (standard short and 3.850 length) |
| Material | T6 6061 Billet Aluminum |
| Finish | Cerakote Black |
| Weight | 14 ounces |
| Attachment Method | Two mounting screws (included) |
Yes. This chassis is specifically designed for Tikka T3 short action rifles and installs directly into compatible Grayboe stocks like the Flagstaff Core or Renegade 2.
The chassis accepts all standard AICS magazines. Use short AICS mags for short-action calibers and 3.850-length AICS mags for longer cartridges. No separate bottom metal is required—magazines click directly into the chassis.
This particular chassis is inlet and designed specifically for Tikka T3 short action rifles. If you own other rifle actions, Grayboe manufactures separate UMC models for different platforms, but you would need the appropriate chassis for each action type.
The chassis includes two mounting screws that secure it to your Grayboe stock. The optional adjustable magazine release lever is available separately.
